On a whim, he sat with the caliper like one might sit with an old photograph. When the garage light threw long rectangles across the concrete, he imagined the tool’s life before his: a factory line where steel became measure, hands that polished and checked with ritual care, the soft click of calibration. He imagined it in other hands—someone else’s precision, someone else’s grief—and the idea felt absurdly intimate.

If the error persists after cleaning and a battery swap, the problem may be internal:

If you work near coolants or oils, moisture may be trapped in the sensor. Use compressed air to blow out the housing. 🔋 Power & Reset

Moisture, oil, or metal dust on the internal electronic scale.